US Bridges

RTE I90 over Owasco Outlet

Good

Cayuga County, New York · 90IX over Owasco Outlet · Structure no. 000000005510379

Built
2004
21 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
167 ft
1 main span
Daily traffic
30,507
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE I90 over Owasco Outlet is a steel stringer/multi-beam or girder carrying RTE I90 over Owasco Outlet in Cayuga County, New York. It was built in 2004, so it is 21 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30,507 vehicles a day, roughly 30% of them trucks, projected to reach 34,198 by 2041. The structure is 167 ft (50.9 m) long and 115 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

Location

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CarriesRTE I90
CrossesOwasco Outlet
Location90IX over Owasco Outlet
RouteInterstate 90
CountyCayuga County
StateNew York
Coordinates43.04107, -76.62788
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length167 ft (50.9 m)
Longest span161 ft (49.1 m)
Deck width115 ft (35.1 m)
Roadway width109 ft (33.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,507 (2020)
Projected traffic34,198 by 2041
Trucks30%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$10 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I90 over Owasco Outlet built?

It was built in 2004, making it 21 years old in 2025.

What condition is RTE I90 over Owasco Outlet in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does RTE I90 over Owasco Outlet carry?

About 30,507 vehicles per day (2020 count), of which roughly 30% are trucks.

How long is RTE I90 over Owasco Outlet?

The structure is 167 ft (50.9 m) long with a longest span of 161 ft (49.1 m) and a deck 115 ft wide.

Who owns RTE I90 over Owasco Outlet?

It is owned by the State Toll Authority.